EP 1774088 B1 20080618 - METHOD FOR REMOVING LIGNIN FROM WATER
Title (en)
METHOD FOR REMOVING LIGNIN FROM WATER
Title (de)
VERFAHREN ZUR ENTFERNUNG VON LIGNIN AUS WASSER
Title (fr)
PROCEDE POUR EVACUER LA LIGNINE CONTENUE DANS L'EAU
Publication
Application
Priority
- FI 2005000324 W 20050708
- FI 20040967 A 20040709
Abstract (en)
[origin: WO2006005797A1] The invention relates to a method for removing lignin from an aqueous solution. It is accomplished by adding a calcium compound and an aluminium compound to said solution. Said calcium compound is preferably calcium chloride and said aluminium compound is preferably a polymeric aluminium hydroxide salt.
IPC 8 full level
IPC 8 main group level
C02F (2006.01)
CPC (source: EP US)
D21C 9/1026 (2013.01 - EP US); C02F 2103/28 (2013.01 - EP US); Y10S 210/928 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2006005797 A1 20060119; AT E398701 T1 20080715; BR PI0513065 A 20080422; BR PI0513065 B1 20160712; CA 2573035 A1 20060119; CA 2573035 C 20130319; CN 101023215 A 20070822; CN 101023215 B 20110914; DE 602005007610 D1 20080731; EP 1774088 A1 20070418; EP 1774088 B1 20080618; FI 117507 B 20061115; FI 20040967 A0 20040709; FI 20040967 A 20060110; RU 2007103838 A 20080820; RU 2408543 C2 20110110; US 2008149568 A1 20080626; US 7794604 B2 20100914
DOCDB simple family (application)
FI 2005000324 W 20050708; AT 05763636 T 20050708; BR PI0513065 A 20050708; CA 2573035 A 20050708; CN 200580030193 A 20050708; DE 602005007610 T 20050708; EP 05763636 A 20050708; FI 20040967 A 20040709; RU 2007103838 A 20050708; US 57184605 A 20050708